#55455B
Closest named color: Purple Brown (#673A3F). oklch(41.5% 0.041 316.7), rgb(85, 69, 91).
Aa
White text reads best on this color (8.79:1).
About this color
#55455B is a dark, muted purple. In OKLCH its lightness is 42%, its chroma 0.041 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.055 away. White text reads best on it, at 8.79:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #55455B |
| RGB | rgb(85, 69, 91) |
| HSL | hsl(284, 14%, 31%) |
| OKLCH | oklch(41.5% 0.041 316.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #55455B | 8.79:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #55455B | 2.38:1 | Fails | Lc 13.9 | Not readable |
| #55455B text on white | 8.79:1 | AAA | Lc 90.1 | Preferred for body text |
| #55455B text on black | 2.38:1 | Fails | Lc -12.2 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8ED
oklch(93.6% 0.008 319.4)
-
Step 200
200
#DDD6DF
oklch(88.4% 0.014 318.7)
-
Step 300
300
#C7BCCB
oklch(80.9% 0.024 317.1)
-
Step 400
400
#AB9AB1
oklch(70.8% 0.038 317.3)
-
Step 500
500
#96819E
oklch(63.2% 0.049 316.7)
-
Step 600
600
#806A89
oklch(55.6% 0.054 316.1)
-
Step 700
700
#6C5874
oklch(49.1% 0.05 316.2)
-
Step 800
800 (this color)
#55455B
oklch(41.5% 0.041 316.7)
-
Step 900
900
#493C4D
oklch(37.6% 0.033 318.2)
-
Step 950
950
#2A232D
oklch(26.8% 0.021 315.7)
#55455B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #424A5C | 0.033 |
| Deuteranopia (no green cones) | #464B5A | 0.030 |
| Tritanopia (no blue cones) | #55474D | 0.026 |
| Achromatopsia (no color) | #4B4B4B | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55455B
#55455B
oklch(41.5% 0.041 316.7)
- #41513B
#41513B
oklch(41.4% 0.041 137.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #55455B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.055
- Dusty Grape #545775 ΔE 0.059
- Charcoal Grey #3C4142 ΔE 0.062
- Brownish Purple #76424E ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.066
- Dusk #4E5481 ΔE 0.067
- YInMn Blue #415A77 ΔE 0.069
- Dark Slate Gray #2F4F4F ΔE 0.070
Use #55455B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.